The Protva river valley evolution in the late neopleistocene
Abstract
Basing on the detailed integrated studies, the history of the Protva River valley development is considered. Specific features of the geological and geomorphologic structure of the differently aged terraces are established. The obtained lithologic-mineralogical and palynological characteristics of their alluvium are a reliable diagnostic and correlation criterion. The erosion-accumulative cycles of valley development were identified for the late Neopleistocene. Palynological data provided for the reconstruction of the landscape and climatic conditions of terracing, including the paleoclimatic rhythms of the late Neopleistocene, MIS5, MIS-4, MIS-3, MIS-2. The materials obtained make it possible to unequivocally speak of pronounced cooling in the central region of Russia during the Kalinin period, weaker in intensity than that of the Late Valday era of the Ostashkov Ice Age. The epochs of cooling are separated by the Middle Valday warming.
Keywords
palaeogeography of Neopleistocene,
valley development,
alluvial composition,
integrated approach,
palynological data,
paleogeographic reconstructions
Supporting agencies: The work was done under the scientific theme № АААА-А16-11632810089-5 «Evolution of Environment, Relief Dynamics and Geomorphologic Safety of Nature Management».
About the Authors
S. I. Antonov
Lomonosov Moscow State University
Russian Federation
Faculty of Geography, Department of Geomorphology and Paleogeography, Senior Scientific Researcher, PhD. in Geography
Russian Federation
Faculty of Geography, Department of Geomorphology and Paleogeography, Senior Scientific Researcher, PhD. in Geography
V. S. Gunova
Lomonosov Moscow State University
Russian Federation
Faculty of Geography, Research Laboratory of Recent Sediments and Pleistocene Paleogeography, Senior Scientific Researcher, PhD. in Geography
Russian Federation
Faculty of Geography, Research Laboratory of Recent Sediments and Pleistocene Paleogeography, Senior Scientific Researcher, PhD. in Geography
G. I. Rychagov
Lomonosov Moscow State University
Russian Federation
Faculty of Geography, Department of Geomorphology and Paleogeography, Professor, D.Sc. in Geography
Russian Federation
Faculty of Geography, Department of Geomorphology and Paleogeography, Professor, D.Sc. in Geography
N. G. Sudakova
Lomonosov Moscow State University
Russian Federation
Faculty of Geography, Research Laboratory of Recent Sediments and Pleistocene Paleogeography, Leading Scientific Researcher, D.Sc. in Geography
Russian Federation
Faculty of Geography, Research Laboratory of Recent Sediments and Pleistocene Paleogeography, Leading Scientific Researcher, D.Sc. in Geography
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Review
For citations:
Antonov S.I., Gunova V.S., Rychagov G.I., Sudakova N.G. The Protva river valley evolution in the late neopleistocene. Lomonosov Geography Journal. 2019;(4):88-99. (In Russ.)
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